MLA

Van Vechten, Carl, 1880-1964. Jackman, Ivie. Box 94, folder 1654. 1962 June 26. https://collections.library.yale.edu/catalog/2024104.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 94, folder 1654"])(1962 June 26)[Jackman, Ivie]. https://collections.library.yale.edu/catalog/2024104.